どうも

1. 1thank you ; thanks
2. 2much (thanks) ; very (sorry) ; quite (regret)
3. 3quite ; really ; mostly
4. 4somehow
5. 5in spite of oneself ; try as one might ; no matter how hard one may try (to, not to)
6. 6greetings ; hello ; goodbye

JMdict entry 1009000 · frequency rank 50. Source and licence.